/[projects]/dao/DaoAdresseService/src/main/java/dk/daoas/daoadresseservice/DataLoader.java
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Contents of /dao/DaoAdresseService/src/main/java/dk/daoas/daoadresseservice/DataLoader.java

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Revision 3045 - (show annotations) (download)
Thu Jun 9 09:53:13 2016 UTC (7 years, 11 months ago) by torben
File size: 4385 byte(s)
1) Better handling when loading throws an exception
2) Don't fail with NPE if we didn't have a transporttype for target route
1 package dk.daoas.daoadresseservice;
2
3 import java.sql.SQLException;
4 import java.util.Properties;
5 import java.util.logging.Logger;
6
7 import javax.mail.Message;
8 import javax.mail.MessagingException;
9 import javax.mail.Session;
10 import javax.mail.Transport;
11 import javax.mail.internet.InternetAddress;
12 import javax.mail.internet.MimeMessage;
13 import javax.servlet.ServletContext;
14
15 import dk.daoas.daoadresseservice.admin.ServiceConfig;
16 import dk.daoas.daoadresseservice.beans.DataStatisticsBean;
17 import dk.daoas.daoadresseservice.db.DatabaseLayerImplementation;
18
19 public class DataLoader {
20
21 boolean isRunning = false;
22
23 ServiceConfig config;
24
25 ServletContext ctxt;
26 public DataLoader(ServletContext ctxt,ServiceConfig conf) {
27 this.ctxt = ctxt;
28
29 config = conf;
30 }
31
32 public void doLoad(String trigger) {
33 synchronized(this) {
34 if (isRunning == false) {
35 isRunning = true;
36
37 Thread t = new Thread( new DataLoadWorker(this, trigger), "SearchDataLoader");
38 t.start();
39 }
40 }
41 }
42
43 public boolean isRunning() {
44 synchronized(this) {
45 return isRunning;
46 }
47 }
48
49 protected void setRunningFalse() {
50 synchronized(this) {
51 isRunning = false;
52 }
53 }
54
55
56
57
58 public static class DataLoadWorker implements Runnable {
59
60 static final Logger logger = Logger.getLogger(DataLoadWorker.class.getName());
61
62 DataLoader loader;
63 String trigger;
64 public DataLoadWorker(DataLoader ld, String trigger) {
65 this.loader = ld;
66 this.trigger = trigger;
67 }
68
69
70 @Override
71 public void run() {
72
73
74 try {
75 AddressSearch search = new AddressSearch(new DatabaseLayerImplementation(), loader.config);
76 search.buildSearchStructures();
77
78 AddressSearch oldSearch = (AddressSearch) loader.ctxt.getAttribute("search");
79 loader.ctxt.setAttribute("search", search);
80
81 if (loader.config.notifyEmail != null && loader.config.notifyEmail.length() > 0) {
82 DataStatisticsBean oldStats = oldSearch != null ? oldSearch.getStatistics() : null;
83 sendStatusEmail(search.getStatistics(), oldStats);
84 }
85
86 if (oldSearch != null) {
87 oldSearch.clear();
88 }
89
90 } catch (Exception e) {
91 sendEmail("Load errror", "Error loading data: " + e.getMessage() );
92 System.out.println("Error loading data: " + e.getMessage() );
93 e.printStackTrace();
94
95 } finally {
96 loader.setRunningFalse();
97 }
98
99 }
100
101 protected void sendEmail(String subject, String body) {
102 Properties props = new Properties();
103 props.put("mail.smtp.host", "10.30.1.28");
104
105 // create a message
106 try {
107
108 // create some properties and get the default Session
109 Session session = Session.getDefaultInstance(props, null);
110 session.setDebug(false);
111
112 MimeMessage msg = new MimeMessage(session);
113 msg.setFrom( new InternetAddress("no-reply@daoas.dk") );
114
115 msg.setRecipient(Message.RecipientType.TO, new InternetAddress(loader.config.notifyEmail) );
116 msg.setSubject(subject);
117 msg.setText(body);
118
119 Transport.send(msg);
120 } catch (MessagingException e) {
121 logger.warning("Unable to send CircuitBreaker notification mail " + e );
122 }
123
124
125 }
126
127 protected void sendStatusEmail(DataStatisticsBean newStats, DataStatisticsBean oldStats) {
128
129 String body = "Trigger: " + trigger + "\r\n\r\n";
130 body += "New stats:\r\n";
131
132 body += "Direkte: " + newStats.direkteCount + "\r\n";
133 body += "Extended: " + newStats.extendedCount + "\r\n";
134 body += "100%: " + newStats.hundredePctCount + "\r\n";
135 body += "Ikke-daekket: " + newStats.ikkeDaekketCount + "\r\n";
136 body += "Total: " + newStats.totalCount + "\r\n";
137 body += "Elapsed: " + newStats.elapsed + "\r\n";
138
139 if (oldStats != null) {
140 body += "\r\n";
141 body += "Delta to previous\r\n";
142 body += "Direkte: " + (newStats.direkteCount-oldStats.direkteCount) + "\r\n";
143 body += "Extended: " + (newStats.extendedCount-oldStats.extendedCount) + "\r\n";
144 body += "100: " + (newStats.hundredePctCount-oldStats.hundredePctCount) + "\r\n";
145 body += "Ikke-daekket: " + (newStats.ikkeDaekketCount-oldStats.ikkeDaekketCount) + "\r\n";
146 body += "Total: " + (newStats.totalCount-oldStats.totalCount) + "\r\n";
147
148 }
149
150 sendEmail("DaoAdresseService load, trigger: " + trigger, body);
151
152 }
153 }
154
155 }

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